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TEAS 7 SCIENCE PRACTICE QUESTIONS AND ANSWERS
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TEAS 7 SCIENCE PRACTICE QUESTIONS AND ANSWERS
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TEAS 7 SCIENCE PRACTICEQUESTIONS AND ANSWERS
1. Which of the following describes the function of tendons?
o Tendons attach skeletal muscle to bone
o Tendons attach two bones
o Tendons attach bones to ligaments
o Tendons attach skeletal muscles to ligaments - Answer-o Tendons attach skeletal
muscle to bone
2. Which of the following substances is excreted by sweet glands in response to the
breakdown of protein and the formation of ammonia?
o Lysoymes
o Water
o Urea
o Sebum - Answer-o Urea
3. Which of the following terms describes the removal of metabolic waste from the
body?
o Secretion
o catabolism
o anabolism
o Excretion - Answer-o Excretion
4. The shortening of a sarcomere in skeletal muscle is directly due to the interactional of
which of the following?
o Acetylcholine and acetylcholinesterase
o Pepsin and pepsinogen
o Myosin and actin
o Dynein and kinesin - Answer-o Myosin and actin
5. Mutations in which of the following types of cells can be inherited by offspring?
o Ovarian
o endocrine
o neural
o muscle - Answer-o Ovarian
6. Which of the following parts of the central nervous system releases chemicals that
regulate the pituitary gland?
o Hypothalamus
o Cerebellum
o Thalamus
o Spinal cord - Answer-o Hypothalamus
7. A cell is placed in a hypertonic solution. Which of the following describes the
, resulting osmosis?
o There is no flow of water
o The net flow of water into and out of the cell is zero
o There is a net flow of water out of the cell
o There is a net flow of water into the cell. - Answer-o There is a net flow of water out of
the cell
8. Which of the following is an example of active transport?
o Aquaporins in kidney cells that help concentrate urine
o Movement of substance from an area of high concentration to an area of low
concentration
o Movement of a sodium and potassium across the cell membrane against the
concentration gradient.
o Loss of water from a cell in a hypertonic solution - Answer-o Movement of a sodium
and potassium across the cell membrane against the concentration gradient.
9. Which of the following vessels is responsible for carrying blood from the upper body
to the right atrium of the heart?
o Pulmonary veins
o Aorta
o Pulmonary arteries
o Superior vena cava - Answer-o Superior vena cava
10. Carbohydrates are composed of which of the following?
o Nucleic acids
o Monosaccharides
o Isoprenoids
o Amino acids - Answer-o Monosaccharides
11. The following equation summarizes the carbonic acid-bicarbonate ion buffer system
of the blood CO2+H2O H2CO3 HCO3- +H +
Which of the following equations shows the reaction that takes place when there are
excessive H+ ions?
o H2CO3 CO2 + H2O
o HCO3- + H+ H2CO3
o CO2 + H2O H2CO3
o H2CO3 HCO3- +H + - Answer-o HCO3- + H+ H2CO3
12. A student investigating the importance of wavelengths above and below the visible
spectrum for photosynthesis sets up an experiment as follows over a 2 month period, all
with illumination at 1 meter distance from plants grown with the same sol and watering
conditions
3 Arabidopsis plant exposed to ultraviolet light (UV)
3 Arabidopsis plants exposed to infrared light (IR)
3 Arabidopsis plants exposed to white light
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